Stack Overflow
Stack Overflow

Questions tagged [video-conversion]

Video conversion deals mostly with converting videos from one codec to a second one or to resize the image size. It is also possible to change the container format as well.

Videos must be converted for several reasons from one codec to a second one or need to be resized to fit on smaller screens. In some cases devices can record or play just a view formats. With video conversion videos can been converted to be playable on a other device.

179 questions
1
vote
2 answers

using FFMPEG to convert to MP4 with maximum browsers compatibilty

I'm converting from WMV to FLV using FFMPEG, and my problem is that the FLV videos are so big! the 15 minutes video's size ranges between 150MB and 1GB! I'm using the following FFMPEG command to convert and split WMV videos : nohup nice -1 ffmpeg -y…
KarimMesallam
  • 290
  • 8
  • 19
1
vote
2 answers

PHP ffmpeg not found

so I already browse all the forum but I still get error "sh: 1: /usr/bin/ffmpeg: not found". If I run ffmpeg from terminal it works just fine and can do convert video without problem, but if I use PHP exec or shell_exec, the return always ffmpeg not…
heisenberg
  • 11
  • 3
1
vote
0 answers

Error with Laravel and FFMpeg in queue job

I'm using Laravel with the protonemedia/laravel-ffmpeg package https://github.com/protonemedia/laravel-ffmpeg I create a Job to handle video conversion and concatenation and this error appears: TypeError: Argument 1 passed to…
Simpledev
  • 598
  • 1
  • 11
  • 22
1
vote
1 answer

Why does ffmpeg remove SEI messages when converting FLV to h264?

I have an FLV file with h264 video tags. Each video tag that contains an h264 IDR NAL unit also also contains display orientation SEI, ie my NAL access unit for IDR key frames is [SEI, IDR]. For some reason, converting this FLV file to h264 without…
Tunji_D
  • 3,677
  • 3
  • 27
  • 35
1
vote
1 answer

FFMPEG cannot encode .MP4 to usable .Y4M RAW video: "Operation not permitted"

I am running ffmpeg version 4.2.2 on macOS Sierra and I cannot decode a RAW video. First I create the .Y4M video: ffmpeg -y -i inputfolder/GH012088.MP4 temp_raw_video.Y4M Then I try to input it to ffmpeg: ffmpeg -i temp_raw_video.Y4M However I…
Ham789
  • 99
  • 2
  • 7
1
vote
3 answers

How to split and convert videos using PHP & FFMPEG

I want the users to only upload a video, then write a code that splits this video into user-defined segments, then convert those segments to .flv and .mp4 videos. Is there any way I can do that?
KarimMesallam
  • 290
  • 8
  • 19
1
vote
1 answer

Resize video in Browser/Clientside before saving/uploading with JavaScript / HTML5

I am looking for a way / best practice to resize and maybe to trim a video with Javascript, HTML5 or Webassambly in all actual browsers before saving in Filesystem. What is the "best" way to manipulate a video in the browser? I was looking different…
Janick Koder
  • 54
  • 8
1
vote
2 answers

How can I check the encoders used for a video

I am making a python script that uses ffmpeg and moviepy to convert videos to mp4. I want to make an if statement that checks if the input file needs to be reencoded or just rewrapped.(if the input file is aac and h.264 it does not need to be…
Exosylver
  • 135
  • 1
  • 14
1
vote
1 answer

-acodec option not working in ffmpeg

Before I was using this: ffmpeg -i file1.avi -acodec vorbis file2.ogg And everything go okay... And now, on this new server, I try this command, and I get return Successful conversion, but there is no file... It works only when I write this…
SharkTheDark
  • 3,089
  • 4
  • 24
  • 29
1
vote
0 answers

Lose Data When Convert lsb steganography images to a video

I converted a movie into array of frames with open-cv python for hiding some text information inside that with LSB steganography. I used LSB steganography to make a new array from all of them and use this array for remake first movie. But when…
amin khoramian
  • 11
  • 2
1
vote
2 answers

FFmpeg file conversion formats and file extensions

I hope someone knows a link to point me to here. I'm converting different video and audio formats using ffmpeg. I want to only let files with file extensions be converted that are supported by ffmpeg. The supported formats are found here:…
Akku
  • 4,373
  • 4
  • 48
  • 67
1
vote
2 answers

skype url handler or another app url handler for video conference

I want to build a website for ​​e-learning. The course will be conducted via webcam and members will pay to attend the web cast. I thought that Skype is a solution, but I need to find a way to block and unblock contacts using PHP through the page. I…
Dimitris
  • 11
  • 2
1
vote
0 answers

Video transcoder encoder decoder unable to return original buffer

I am working on a Video encoding and decoding app. I am using grishka/android-video-transcoder library to get the buffers. What the library doing is to convert the video frames into the COLOR_FormatYUV420SemiPlanar format. Which is working fine. But…
Sunny
  • 3,134
  • 1
  • 17
  • 31
1
vote
2 answers

Using Paperclip with FFmpeg and multiple output formats: how to store in the database and show in the view a specific output format?

Because I want to use HTML5 video I need to convert videos uploaded by the user into multiple codecs. I am following this tutorial: http://jimneath.org/2008/06/03/converting-videos-with-rails-converting-the-video/ but it only outputs FLV, a format I…
user142019
1
vote
2 answers

Icelink : video, voice and text chat

I want to implement video audio and text chat in native Android using Icelink. I implement demo provided by Icelink but it makes a conference call. I want to make one to one call using request and answer signalling method. Till now I did with…
Ajay Mistry
  • 951
  • 1
  • 14
  • 30
1 2 3
…
11 12